35 Points!
1 answer:
Answer:
The expressions are not equivalent.
Step-by-step explanation:
Three-tenths of the total volume, v =
= 0.3 × v --- (1)
But, 310x is 310 × v --- (2)
Since (1) and (2) represent the same volume,
0.3 × v = 310 × v
Divide both sides by v,
0.3 = 310 which is a contradiction.
Therefore, the expressions are not equivalent.
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Answer:
108°
Step-by-step explanation:
Suppose that circle with center A is a circular arena. Points B, C, D, E and F are 5 lights. These 5 points form regular pentagon (because these 5 lights are equally spaced around the perimeter of the arena).
The sum of all interior angles of pentagon can be calculated using following formula
All interior angles in regular pentagon are of equal measure, so
Thus, the measure of each angle formed by the lights on the perimeter is 108°.
Answer: N0. There are not enough teacher signatures.
<u>Step-by-step explanation:</u>
Total signatures needed: x 1200 = 150
Total signatures received: 150
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Teacher signatures needed: x 150 = 6
Teacher signatures received: x 150 = 4
<em>Side note: If there are student signatures then there are
teacher signatures, because the student plus teacher signatures must equal 100%</em>